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GeForce GTX 1060 3GB vs Radeon HD 6990

Intro

The GeForce GTX 1060 3GB makes use of a 16 nm design. nVidia has clocked the core frequency at 1506 MHz. The GDDR5 memory runs at a frequency of 2000 MHz on this specific model. It features 1152 SPUs along with 72 Texture Address Units and 48 ROPs.

Compare those specs to the Radeon HD 6990, which features a clock speed of 830 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It features 1536 SPUs, 96 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1060 3GB 120 Watts
Radeon HD 6990 375 Watts
Difference: 255 Watts (213%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6990 should be 63% faster than the GeForce GTX 1060 3GB in general, due to its greater data rate. (explain)

Radeon HD 6990 320000 MB/sec
GeForce GTX 1060 3GB 196608 MB/sec
Difference: 123392 (63%)

Texel Rate

The Radeon HD 6990 should be much (more or less 47%) more effective at texture filtering than the GeForce GTX 1060 3GB. (explain)

Radeon HD 6990 159360 Mtexels/sec
GeForce GTX 1060 3GB 108432 Mtexels/sec
Difference: 50928 (47%)

Pixel Rate

The GeForce GTX 1060 3GB should be a lot (about 36%) faster with regards to full screen anti-aliasing than the Radeon HD 6990, and also able to handle higher resolutions better. (explain)

GeForce GTX 1060 3GB 72288 Mpixels/sec
Radeon HD 6990 53120 Mpixels/sec
Difference: 19168 (36%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 1060 3GB

Amazon.com

Radeon HD 6990

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 1060 3GB Radeon HD 6990
Manufacturer nVidia AMD
Year August 2016 March 2011
Code Name GP106-300 Antilles
Memory 3072 MB 2048 MB (x2)
Core Speed 1506 MHz 830 MHz (x2)
Memory Speed 8000 MHz 5000 MHz (x2)
Power (Max TDP) 120 watts 375 watts
Bandwidth 196608 MB/sec 320000 MB/sec
Texel Rate 108432 Mtexels/sec 159360 Mtexels/sec
Pixel Rate 72288 Mpixels/sec 53120 Mpixels/sec
Unified Shaders 1152 1536 (x2)
Texture Mapping Units 72 96 (x2)
Render Output Units 48 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit (x2)
Fab Process 16 nm 40 nm
Transistors 4400 million 2640 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12.0 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

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